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GPU-based Static State Security Analysis in Power Systems

  • Yong Chen
  • Hai JinEmail author
  • Han Jiang
  • Dechao Xu
  • Ran Zheng
  • Haocheng Liu
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9464)

Abstract

Static State Security Analysis (SSSA) is a key technology to ensure the stability of power systems. It is difficult to satisfy the computing requirement with traditional CPU-based concurrent methods, so that GPU is used to accelerate large amount of power flow calculations. The main issue of GPU-based SSSA is complex iterative operations in solving nonlinear equations. A GPU-based SSSA method is proposed for power systems, in which a novel algorithm is proposed for sparse matrix calculation and small partitioned matrices processing. GPU-based multifrontal algorithm is used to combine various small matrices into one matrix in multiplication for fast calculation. Compared with the execution on 4-cores CPU, the proposed method can decrease 40 % calculation time based on GPU to get a better performance.

Keywords

GPU computing Static state security analysis Power flow calculation Power system 

Notes

Acknowledgments

This work is supported by the National 973 Key Basic Research Plan of China (No. 2013CB2282036), Major Subject of State Grid Corporation of China (No. SGCC-MPLG001(001-031)-2012), the National 863 Basic Research Program of China (No. 2011AA05A118), the National Natural Science Foundation of China (No. 61133008) and the National Science and Technology Pillar Program (No. 2012BAH14F02).

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Yong Chen
    • 1
    • 2
  • Hai Jin
    • 1
    Email author
  • Han Jiang
    • 2
  • Dechao Xu
    • 2
  • Ran Zheng
    • 1
  • Haocheng Liu
    • 1
  1. 1.Services Computing Technology and System Lab, School of Computer Science and TechnologyHuazhong University of Science and TechnologyWuhanChina
  2. 2.China Electric Power Research InstituteBeijingChina

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